CN114014221A

CN114014221A - Four-direction vehicle carrying anti-falling structure for forklift

Info

Publication number: CN114014221A
Application number: CN202111279076.9A
Authority: CN
Inventors: 黄晓明; 马云龙
Original assignee: Lonlink Intelligent Technology Shanghai Co ltd
Current assignee: Lonlink Intelligent Technology Shanghai Co ltd
Priority date: 2021-10-31
Filing date: 2021-10-31
Publication date: 2022-02-08
Anticipated expiration: 2041-10-31
Also published as: CN114014221B

Abstract

The invention discloses a four-direction vehicle carrying anti-falling structure for a forklift, which comprises a first mounting unit, a driving unit, two second mounting units, two first driven units, two lifting units, two telescopic supporting units and two limiting units, wherein the first mounting unit is connected with the driving unit; the first mounting unit comprises a first mounting groove, two second mounting grooves and two first sliding grooves; the driving unit is arranged in the first mounting groove; the two second mounting units are arranged in the corresponding first sliding grooves in a sliding manner; the two first driven units are covered on the corresponding second mounting units and are meshed and connected with the output end of the driving unit; the two lifting units are arranged in the corresponding second mounting units; the two telescopic supporting units are arranged in the corresponding second mounting units; the two limiting units are correspondingly arranged in the second mounting unit. The four-direction car carrying anti-falling structure can well protect the four-direction car when the four-direction car is carried, and the four-direction car is prevented from falling from a forklift.

Description

Four-direction vehicle carrying anti-falling structure for forklift

Technical Field

The invention relates to the technical field of four-way vehicle carrying, in particular to a four-way vehicle carrying anti-falling structure for a forklift.

Background

The four-way shuttle vehicle is developed on the basis of a common shuttle vehicle, overcomes the defect that the common shuttle vehicle cannot move transversely, and realizes that the shuttle vehicle can reach any specified position from a track in one floor. In general, in the case of a failure or transfer of a four-way vehicle, a worker may use a forklift to carry the four-way vehicle or carry the four-way vehicle and goods at the upper end of the four-way vehicle, so as to transfer the four-way vehicle.

The existing forklift truck carries the four-way vehicle, usually, a fork arm of the forklift truck extends into the bottom end of the four-way vehicle so as to carry the four-way vehicle, but when the four-way vehicle runs on a track on the ground, the fork arm of the forklift truck cannot extend into the bottom end of the four-way vehicle, the four-way vehicle needs to be carried onto the fork arm of the forklift truck manually, and the difficulty of transferring the four-way vehicle is undoubtedly increased; in addition, current fork truck is under the condition of carrying the quadriversal car, and fork arm of fork truck is difficult to align completely with the quadriversal car, and has the focus that the goods can lead to the quadriversal car to change in the quadriversal car upper end, and the quadriversal car easily falls from fork arm of fork truck, and this inevitably can cause the damage to the goods, and in severe cases, can lead to the goods to take place to damage.

At present, to the problem that current fork truck is difficult to transport and fork truck transport the four-way car and easily make the four-way car fall in the four-way car of operation on the ground track, effectual solution has not been proposed yet.

Disclosure of Invention

The invention aims to provide a four-way vehicle carrying anti-falling structure for a forklift to at least solve the problems that the existing forklift is difficult to transfer four-way vehicles running on a ground track and the four-way vehicles are easy to fall when the forklift carries the four-way vehicles, aiming at overcoming the defects in the prior art.

In order to achieve the above object, the present invention provides a four-way vehicle carrying fall prevention structure for a forklift, comprising:

the first mounting unit is provided with a first mounting groove transversely penetrating through the first end, the two ends of the first mounting groove are respectively provided with a second mounting groove, and the two side ends of the first mounting unit are respectively provided with a first sliding groove correspondingly communicated with the second mounting groove;

the driving unit is assembled in the first mounting groove, and output ends of the left end and the right end of the driving unit are respectively positioned in the corresponding second mounting grooves;

the two second mounting units are arranged in the corresponding first sliding grooves in a sliding manner, each second mounting unit comprises a second sliding groove positioned at the bottom of one end of the second mounting unit, and a third mounting groove, a third sliding groove and a first limiting groove positioned in the middle of the second mounting unit, and the third mounting groove is respectively communicated with the third sliding groove and the first limiting groove;

the two first driven units are arranged at the bottoms of the corresponding second mounting units in a covering mode and extend to the lower surface of the second sliding groove, and the first driven units are connected with the output end of the driving unit in a meshing mode;

the first ends of the two lifting units are arranged in the corresponding third mounting grooves, and the second ends of the two lifting units are arranged outside the corresponding second mounting units and are used for lifting the four-way vehicle;

the two telescopic supporting units are arranged in the corresponding third sliding grooves, are meshed with the corresponding lifting units and are used for extending into the lower part of the four-way vehicle to support the four-way vehicle under the condition that the four-way vehicle is lifted by the lifting units;

and the two limiting units are arranged in the corresponding first limiting grooves, the first ends of the limiting units are arranged corresponding to the lifting units, and the second ends of the limiting units are arranged corresponding to the telescopic supporting units and are used for limiting the lifting units or the telescopic supporting units.

Further, the driving unit includes:

the double-output-shaft motor is arranged in the first mounting groove, and output shafts at the left end and the right end of the double-output-shaft motor are positioned in the corresponding second mounting grooves;

the two gear bearings rotate and are correspondingly sleeved on two output shafts of the double-output-shaft motor;

two first drive gears, two first drive gears are established corresponding the cover two output shafts of dual output shaft motor to be located and correspond gear bearing keeps away from one side of dual output shaft motor, and with correspond first driven unit meshing is connected, is used for under the drive of dual output shaft motor, drive first driven unit is followed first spout removes.

Further, the first mounting unit further includes:

the first mounting groove is arranged at the lower end of the first mounting groove;

the second mounting unit further includes:

and the sliding block is arranged at the lower end of the second mounting unit, is positioned in the fourth sliding groove, is matched with the fourth sliding groove and is used for limiting the second mounting unit.

Further, the first driven unit includes:

the first limiting element is arranged on the second sliding groove, is positioned at the end part of the first driven unit and is used for limiting the first driven unit under the condition that the driving unit rotates.

Further, the lifting unit includes:

the lifting motor is assembled in the third mounting groove;

the second transmission gear is sleeved on an output shaft of the lifting motor;

the first driven gear is rotatably arranged in the corresponding third mounting groove and is in meshed connection with the second transmission gear, and a limiting hole is formed in the side wall of the first driven gear and corresponds to the first end of the corresponding limiting unit;

the second limiting element is arranged on the outer peripheral wall of the first driven gear and used for limiting the first driven gear under the condition of being meshed with the second transmission gear;

and the first end of the lifting element is obliquely arranged on the side wall of the first driven gear, and the second end of the lifting element penetrates through the corresponding side wall of the second mounting unit and is positioned outside the second mounting unit.

Further, the second limiting element comprises:

the supporting rod is arranged in a third limiting groove formed in the outer peripheral wall of the first driven gear;

the limiting teeth are sleeved on the supporting rod;

and the limiting spring is sleeved on the supporting rod, the first end of the limiting spring is fixedly connected with the supporting rod, and the second end of the limiting spring is fixedly connected with the limiting teeth.

Further, the lifting element comprises:

the first end of the lifting rod is obliquely connected with the side wall of the first driven gear, and the second end of the lifting rod penetrates through the side wall of the second mounting unit and is positioned outside the second mounting unit;

and the lifting plate is arranged at the second end of the lifting rod in parallel to the second mounting unit.

Further, the telescopic support unit includes:

the telescopic supporting plates are arranged in the corresponding third sliding grooves, fifth sliding grooves are formed in the upper end faces of the telescopic supporting plates, second limiting grooves are formed in two ends of each fifth sliding groove, and the second limiting grooves correspond to the second ends of the corresponding limiting units;

the rack element is transversely arranged on the upper end face of the telescopic supporting plate and is meshed and connected with a second transmission gear arranged above the rack element;

and the third limiting element is correspondingly arranged on the upper end face of the telescopic supporting plate, is positioned at one end of the rack element and is matched with the second transmission gear.

Further, the spacing unit includes:

the limiting rod is C-shaped, the upper end of the limiting rod corresponds to the lifting unit, and the lower end of the limiting rod corresponds to the telescopic supporting unit;

the supporting block is arranged on the inner side wall of the middle part of the first limiting groove and is rotatably connected with the middle part of the limiting rod;

the elastic element is arranged in the first limiting groove, the first end of the elastic element is fixedly connected with the side wall of the limiting rod, and the second end of the elastic element is fixedly connected with the side wall of the first limiting groove;

and the electromagnet is arranged on the inner side wall of the upper part of the first limiting groove and corresponds to the first end of the limiting rod.

Further, structure of preventing falling is carried to four-way car, still includes:

and the two second driven units are arranged in the corresponding second mounting grooves, the first ends of the two second driven units are sleeved at the output ends of the corresponding driving units, and the second ends of the two second driven units correspond to the connecting elements at the lower ends of the corresponding second mounting units.

Further, the second driven unit includes:

the second driven gear is sleeved at the output end of the corresponding driving unit;

the third driven gear is rotatably arranged in the corresponding second mounting groove and is in meshed connection with the second driven gear;

the threaded rod is arranged in the corresponding second mounting groove, the first end of the threaded rod is coaxially connected with the third driven gear, and the second end of the threaded rod is arranged corresponding to the corresponding connecting element.

Further, the connecting element comprises:

the connecting groove is formed in the lower end of the second mounting unit;

the threaded sleeve is arranged inside the connecting groove;

the elastic pieces are arranged on the upper side and the lower side in the connecting groove, the first end of each elastic element is connected with the side wall of the connecting groove, and the second end of each elastic element is connected with the outer side wall of the threaded sleeve;

further, the elastic member includes:

the first end of the connecting cylinder is connected with the connecting groove, and the second end of the connecting cylinder is provided with a mounting hole;

the reset spring is arranged inside the mounting hole, and a first end of the reset spring is connected with the inner side wall of the mounting hole;

the first end of the connecting column is sleeved in the mounting hole and connected with the second end of the reset spring, and the second end of the connecting column is connected with the outer side wall of the threaded sleeve.

Compared with the prior art, the technical scheme adopted by the invention has the following technical effects:

(1) according to the four-direction vehicle carrying anti-falling structure for the forklift, the second mounting unit can move along the first mounting unit, so that the lifting unit and the telescopic supporting unit are driven to move to two sides of the four-direction vehicle, the lifting unit lifts the four-direction vehicle, and the telescopic supporting unit extends into the lower part of the four-direction vehicle to support the four-direction vehicle, so that the four-direction vehicle can be carried conveniently, the four-direction vehicle is prevented from falling, and the problems that the existing forklift is difficult to transfer the four-direction vehicle running on a ground track and the forklift carries the four-direction vehicle to easily cause the four-direction vehicle to fall are solved;

(2) the limiting unit is used for limiting the lifting unit or the telescopic supporting unit, so that the motor element can drive the telescopic supporting unit to support the four-way vehicle under the condition that the four-way vehicle is lifted by the lifting unit;

(3) the driving unit drives the second driven unit to rotate, so that the second driven unit can be matched with the connecting element to drive the second mounting unit to move under the condition that the second driven unit corresponds to the connecting element of the corresponding second mounting unit, and the second mounting unit is aligned with the side edge of the four-way vehicle so as to be convenient for carrying the four-way vehicle;

(4) the four-direction vehicle carrying anti-falling structure is reasonable in structure, can well protect the four-direction vehicle under the condition of carrying the four-direction vehicle, avoids the four-direction vehicle from falling, and has good practical value and popularization and application value.

Drawings

FIG. 1 is a schematic structural view of a four-way vehicle carrying fall prevention structure for a forklift truck according to the present invention;

FIG. 2 is a schematic structural view of a four-way carrying fall prevention structure for a forklift truck according to the present invention in an open state;

FIG. 3 is a schematic structural view of a first mounting unit in a four-way vehicle carrying fall prevention structure for a forklift truck according to the present invention;

FIG. 4 is a partial cross-sectional view of a four-way vehicle handling fall arrest structure for a forklift of the present invention;

FIG. 5 is a partial cross-sectional view (one) of a second mounting unit in a four-way vehicle handling fall arrest structure for a forklift truck of the present invention;

FIG. 6 is a bottom view of the second mounting unit in a four-way vehicle handling fall arrest arrangement for a forklift truck of the present invention;

FIG. 7 is a schematic view of the structure of portion A in FIG. 6;

fig. 8 is a partial sectional view (ii) of a second mounting unit in the four-way vehicle carrying fall prevention structure for a forklift according to the present invention;

FIG. 9 is a schematic view of the structure of the portion B in FIG. 8;

FIG. 10 is a schematic view of the lifting unit of the four-way fall arrest device for a forklift truck according to the present invention;

FIG. 11 is a schematic view of the structure of the portion C in FIG. 10;

FIG. 12 is a schematic view of the telescopic support unit in the four-way carrying fall prevention structure for a forklift truck according to the present invention;

fig. 13 is a partial sectional view (iii) of a second mounting unit in a four-way vehicle carrying fall arrest structure for a forklift truck in accordance with the present invention;

FIG. 14 is a schematic view of the structure of the portion D in FIG. 13;

FIG. 15 is an assembly view of a second mounting unit and a second driven unit of the four-way vehicle handling fall arrest structure for a fork lift truck of the present invention;

FIG. 16 is a schematic view of the structure of section E in FIG. 15;

FIG. 17 is a partial cross-sectional view of the resilient member of the four-way fall arrest structure for a fork lift truck of the present invention;

wherein the reference symbols are:

100. a first mounting unit; 101. a first mounting groove; 102. a second mounting groove; 103. a first chute; 104. a fourth chute;

200. a drive unit; 201. a motor with double output shafts; 202. a gear bearing; 203. a first drive gear;

300. a second mounting unit; 301. a second chute; 302. a third mounting groove; 303. a third chute; 304. a connecting element; 305. A first limit groove; 306. a slider; 307. connecting grooves; 308. a threaded sleeve; 309. an elastic member; 310. a connecting cylinder; 311. a return spring; 312. connecting columns;

400. a first driven unit; 401. a first spacing element;

500. a lifting unit; 501. a lifting motor; 502. a second transmission gear; 503. a first driven gear; 504. a second limiting element; 505. a lifting element; 506. a limiting hole; 507. a support bar; 508. limiting teeth; 509. a limiting spring; 510. lifting the rod; 511. lifting the plate; 512. a third limiting groove;

600. a telescopic support unit; 601. a telescopic supporting plate; 602. a fifth chute; 603. a rack member; 604. a third limiting element; 605. a second limit groove;

700. a limiting unit; 701. a limiting rod; 702. a support block; 703. an elastic element; 704. an electromagnet;

800. a second driven unit; 801. a second driven gear; 802. a third driven gear; 803. a threaded rod.

Detailed Description

In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to the accompanying drawings and specific examples. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. As used in this specification, the terms "upper," "lower," "inner," "outer," "vertical," "horizontal," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and simplicity in description, and do not indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operated in a particular orientation, and are not to be considered limiting of the invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

The invention discloses a four-way vehicle carrying anti-falling structure for a forklift, which comprises a first mounting unit 100, a driving unit 200, two second mounting units 300, two first driven units 400, two lifting units 500, two telescopic supporting units 600 and two limiting units 700, as shown in figures 1-2, 5 and 9. Wherein the first mounting unit 100 is mounted to a fork arm of a forklift; the driving unit 200 is mounted inside the first mounting unit 100; the two second mounting units 300 are slidably disposed at both sides of the upper end of the first mounting unit 100; the two first driven units 400 are arranged at the bottom of the corresponding second mounting unit 300 in a covering manner, are engaged with the driving unit 200, and are used for driving the corresponding second mounting unit 300 to move under the driving of the driving unit 200; the two lifting units 500 are correspondingly arranged inside the two second mounting units 300 and used for lifting the four-way vehicle; the two telescopic supporting units 600 are correspondingly arranged inside the two second mounting units 300, are engaged with the lifting unit 500, and are used for extending below the four-way vehicle to support the four-way vehicle when the four-way vehicle is lifted by the two lifting units 500; the two limiting units 700 are correspondingly disposed inside the second mounting unit 300, and are used for limiting the lifting unit 500 or the telescopic supporting unit 600.

Specifically, in the case that a four-way vehicle needs to be carried, the driving unit 200 drives the second mounting unit 300 and the first driven unit 400 to move to both sides of the four-way vehicle, then the lifting unit 500 pushes the four-way vehicle to lift the four-way vehicle, at this time, the limiting unit 700 limits the lifting unit 500, then the lifting unit 500 drives the telescopic supporting unit 600 to extend below the four-way vehicle to support the four-way vehicle, and finally, the driving unit 200 reverses to drive the second mounting unit 300 to return to the first mounting unit 100.

As shown in fig. 3, a first end of the first installation unit 100 transversely penetrates through a first installation groove 101, two ends of the first installation groove 101 are respectively provided with a second installation groove 102, two side ends of the first installation unit 100 are respectively provided with a first sliding groove 103 correspondingly communicated with the second installation groove 102, and the first installation unit 100 is used for installing the driving unit 200 and the second installation unit 300.

The first mounting unit 100 may be movably mounted on a fork arm of a forklift, or may be fixedly mounted on the fork arm of the forklift.

Specifically, the driving unit 200 is installed in the first installation groove 101, the output ends at the left and right ends thereof are respectively located in the corresponding second installation grooves 102, and the output ends at the left and right ends thereof can rotate inside the corresponding second installation grooves 102.

In some embodiments, the driving unit 200 is electrically connected to the control unit, so that a worker can control the driving unit 200 to be turned on or off through the control unit, thereby implementing intelligent control over the driving unit 200.

Wherein the control unit is a programmable controller.

As shown in fig. 3 and 5, two second installation units 300 are slidably disposed in the corresponding first sliding grooves 103, each second installation unit 300 includes a second sliding groove 301 located at the bottom of one end thereof, and a third installation groove 302, a third sliding groove 303 and a first limiting groove 305 located at the middle thereof, the third installation groove 302 is respectively communicated with the third sliding groove 303 and the first limiting groove 305, and the second installation unit 300 is used for installing the lifting unit 500, the telescopic support unit 600 and the limiting unit 700.

Wherein the longitudinal section of the second chute 301 is arc-shaped.

The two first driven units 400 are disposed at the bottom of the corresponding second mounting unit 300 and extend to the lower surface of the second sliding groove 301, the first driven units 400 are engaged with the driving unit 200, and the first driven units 400 are used for driving the second mounting unit 300 to move under the driving of the driving unit 200, so that the second mounting unit 300 moves along the length direction of the second sliding groove 301.

Wherein the first driven unit 400 includes, but is not limited to, a rack.

The first ends of the two lifting units 500 are disposed inside the corresponding third mounting grooves 302, and the second ends of the two lifting units 500 are located outside the corresponding second mounting units 300 and used for lifting the four-way vehicle, so that the telescopic supporting unit 600 extends into the lower portion of the four-way vehicle to support the four-way vehicle.

The two telescopic supporting units 600 are arranged in the corresponding third sliding grooves 303, and the telescopic supporting units 600 are used for extending into the lower portion of the four-way vehicle to support the four-way vehicle under the condition that the four-way vehicle is lifted by the lifting unit 500, so that the four-way vehicle is prevented from falling.

As shown in fig. 9, the limiting unit 700 is disposed in the first limiting groove 305, and a first end of the limiting unit 700 is disposed corresponding to the lifting unit 500, and a second end of the limiting unit 700 corresponds to the telescopic support unit 600, and the limiting unit 700 is used for limiting the first driven gear 503 or the telescopic support unit 600.

Specifically, in the case where the lifting unit 500 lifts the four-way car, the limiting unit 700 limits the lifting unit 500 to release the driving structure of the lifting unit 500; at this time, the limiting unit 700 releases the telescopic supporting unit 600, and the driving structure of the lifting unit 500 can drive the telescopic supporting unit 600 to extend into the lower part of the four-way vehicle, so as to support the four-way vehicle.

As shown in fig. 4, the driving unit 200 includes a dual output shaft motor 201, two gear bearings 202, and two first transmission gears 203. The double-output-shaft motor 201 is arranged in the first mounting groove 101, and output shafts at the left end and the right end of the double-output-shaft motor are positioned in the corresponding second mounting grooves 102; the two gear bearings 202 rotate and are correspondingly sleeved on two output shafts of the dual-output shaft motor 201, and are used for supporting the second mounting unit 300 under the condition that the second mounting unit 300 moves along the second mounting groove 102; the two first transmission gears 203 are correspondingly sleeved on the two output shafts of the dual-output shaft motor 201, are located on one side of the corresponding gear bearing 202 away from the dual-output shaft motor 201, are engaged with the corresponding first driven unit 400, and are used for driving the first driven unit 400 to move, and then the first driven unit 400 drives the corresponding second mounting unit 300 to move.

Wherein, the dual output shaft motor 201 is a forward and reverse rotation motor.

Wherein, dual output shaft motor 201 rotates with gear bearing 202 and is connected, and under the circumstances that the output shaft of dual output shaft motor 201 rotated, dual output shaft motor 201 can't drive gear bearing 202 and rotate.

The gear bearing 202 comprises an external gear and a bearing, the bearing is sleeved on the output shaft of the dual-output shaft motor 201, the external gear is sleeved on the bearing, and therefore under the condition that the dual-output shaft motor 201 works, the external gear cannot be driven to rotate, and the external gear cannot drive the output shaft of the dual-output shaft motor 201 to rotate when rotating.

Wherein, one end of the gear bearing 202 close to the first transmission gear 203 is set to be an inclined surface, the minimum diameter of one end of the gear bearing 202 close to the first transmission gear 203 is equal to the diameter of the gear circle of the first transmission gear 203, and the maximum diameter of one end of the gear bearing 202 close to the first transmission gear 203 is equal to the outer diameter of the first transmission gear 203.

In some of these embodiments, the ends of the teeth of the gear bearing 202 are arranged in a diamond shape.

Specifically, the axial dimension of the first transmission gear 203 is 100mm to 200 mm.

More specifically, the axial dimension of the first transmission gear 203 is 100mm to 150 mm.

As shown in fig. 3, the first mounting unit 100 further includes two fourth sliding grooves 104, and each of the fourth sliding grooves 104 is respectively disposed at the lower end of the second mounting groove 102 and the lower end of the first sliding groove 103, and is used for limiting the second mounting unit 300.

The fourth sliding groove 104 is L-shaped as a whole, and the longitudinal section of the fourth sliding groove 104 is convex.

As shown in fig. 5, the second mounting unit 300 further includes a sliding block 306, the sliding block 306 is disposed at the lower end of the second mounting unit 300, is located inside the fourth sliding slot 104, and is matched with the fourth sliding slot 104, and the sliding block 306 can move inside the fourth sliding slot 104 to limit the second mounting unit 300 and prevent the second mounting unit 300 from separating from the first sliding slot 103.

Wherein, the height of the sliding block 306 is smaller than the height of the fourth sliding chute 104, and the width of the sliding block 306 is smaller than the width of the fourth sliding chute 104, so that the sliding block 306 can slightly turn inside the fourth sliding chute 104.

Wherein the cross section of the bottom of the slider 306 is arranged in a cross shape.

As shown in fig. 6 to 7, the first driven unit 400 includes a first limiting element 401, and the first limiting element 401 is disposed at the end of the first driven unit 400 and disposed at the second sliding groove 301, and is used for limiting the first driven unit 400 when the driving unit 200 rotates.

Specifically, under the condition that the first limiting element 401 is meshed with the first transmission gear 203, the first transmission gear 203 drives the first limiting element 401 to reciprocate, and does not drive the second mounting unit 300 to move.

As shown in fig. 8 to 10, the lifting unit 500 includes a lifting motor 501, a second transmission gear 502, a first driven gear 503, a second limit element 504, and a lifting element 505. The lifting motor 501 is arranged in the corresponding third mounting groove 302; the second transmission gear 502 is sleeved on an output shaft of the lifting motor 501, and the lifting motor 501 is used for driving the second transmission gear 502 to rotate; the first driven gear 503 is rotatably disposed in the third mounting groove 302 and is meshed with the second transmission gear 502, a limiting hole 506 is formed in the side wall of the first driven gear 503, and the second transmission gear 502 can drive the first driven gear 503 to rotate; the second stopper member 504 is provided on the outer peripheral wall of the first driven gear 503, and is configured to stopper the first driven gear 503 while being engaged with the second transmission gear 502; the first end of the lifting element 505 is obliquely arranged on the side wall of the first driven gear 503, the second end of the lifting element passes through the side wall of the second mounting unit 300 and is located outside the second mounting unit 300, and the lifting element 505 is driven by the first driven gear 503 to move upwards so as to extrude and lift the four-way vehicle or driven by the first driven gear 503 to move downwards so as to release the four-way vehicle.

Wherein, the limiting hole 506 corresponds to the first end of the corresponding limiting unit 700.

Wherein the second limiting element 504 has the same structure as the first limiting element 401.

The lifting motor 501 is a forward and reverse rotation motor, and the first driven gear 503 may be an incomplete gear mechanism.

Wherein the first driven gear 503 may be rotatably disposed inside the third mounting groove 302 through a rotating post and a bearing.

Specifically, the first end of the rotating column is coaxially connected to the first driven gear 503, the second end of the rotating column is sleeved inside the bearing, and the bearing is embedded in the side wall of the third mounting groove 302.

In some of these embodiments, as shown in fig. 11, the second retaining element 504 includes a support rod 507, retaining teeth 508, and a retaining spring 509. The support rod 507 is arranged in a third limit groove 512 formed in the outer peripheral wall of the first driven gear 503; the limiting teeth 508 are sleeved on the support rod 507, and the limiting teeth 508 are engaged with the second transmission gear 502 and can slide up and down along the support rod 507; the support rod 507 is sleeved with a limiting spring 509, the first end of the limiting spring 509 is fixedly connected with the support rod 507, the second end of the limiting spring is fixedly connected with the limiting teeth 508, and the limiting spring 509 is used for resetting the limiting teeth 508 under the condition that the limiting teeth 508 move.

Specifically, under the condition that spacing tooth 508 and second drive gear 502 mesh, second drive gear 502 rotates and can drive spacing tooth 508 and slide along bracing piece 507, again because of spacing tooth 508 and spacing spring 509 fixed connection, thereby spacing tooth 508 is after sliding along bracing piece 507, if spacing tooth 508 and the tooth separation on the second drive gear 502, spacing tooth 508 can reset under the drive of spacing spring 509, thereby can avoid second drive gear 502 to drive first driven gear 503 and rotate.

As shown in fig. 10, the lifting member 505 includes a lifting bar 510 and a lifting plate 511, as shown in fig. 12. Wherein, a first end of the lifting rod 510 is connected with a sidewall of the first driven gear 503, and a second end thereof passes through a sidewall of the second mounting unit 300 and is located outside the second mounting unit 300; the lifting plate 511 is horizontally and fixedly arranged at the second end of the lifting rod 510, and the lifting plate 511 is used for being tightly connected with the side wall of the four-way vehicle and used for extruding and lifting the four-way vehicle under the driving of the lifting rod 510.

Optionally, the lifting bar 510 is L-shaped in its entirety.

In some of these embodiments, the side of the lifting plate 511 remote from the lifting bar 510 is provided with a buffer layer to prevent the lifting plate 511 from damaging the four-way vehicle.

Under the condition that the first driven gear 503 rotates, the first driven gear 503 drives the first end of the lifting rod 510 to move upwards, and then the second end of the lifting rod 510 and the lifting plate 511 can be driven by the first end of the lifting rod 510 to move upwards to the side of the lifting rod 510, so as to extrude and lift the four-way vehicle.

As shown in fig. 12, the telescopic supporting unit 600 includes a telescopic supporting plate 601, a rack member 603, and two third stopper members 604. The telescopic support plate 601 is arranged in the corresponding third sliding groove 303, a fifth sliding groove 602 is formed in the upper end surface of the telescopic support plate, second limiting grooves 605 are formed in two ends of the fifth sliding groove 602, and the telescopic support plate 601 is used for extending into the lower portion of the four-way vehicle to support the four-way vehicle when the four-way vehicle is lifted by the lifting element 505; the rack element 603 is transversely arranged on the upper end face of the telescopic support plate 601 and is meshed with a second transmission gear 502 arranged above the rack element 603, and the rack element 603 is used for driving the telescopic support plate 601 to extend into the lower part of the four-way vehicle under the driving of the second transmission gear 502; the third limiting element 604 is disposed on the upper end surface of the telescopic supporting plate 601, is located at an end of the rack element 603 close to the second transmission gear 502, and is disposed in cooperation with the second transmission gear 502, so as to prevent the second transmission gear 502 from continuously driving the rack element 603 to slide under the condition of being meshed with the second transmission gear 502.

Wherein the second position-limiting groove 605 corresponds to the second end of the corresponding position-limiting unit 700.

Wherein the structure of the third limiting element 604 is the same as the structure of the second limiting element 504.

Specifically, under the condition that the first end of the limiting unit 700 enters the limiting hole 506 to limit the first transmission gear 203 and the lifting motor 501 can drive the second transmission gear 502 to rotate, the second transmission gear 502 drives the rack element 603 to move, the rack element 603 drives the telescopic supporting plate 601 to move, and under the condition that the second transmission gear 502 moves to be meshed with the third limiting element 604, the second transmission gear 502 does not drive the rack element 603 to move.

Wherein, under the condition that the four-way vehicle needs to be lifted, the limit unit 700 limits the telescopic support plate 601, at the moment, the second transmission gear 502 is meshed with the third limit element 604, so that the second transmission gear 502 does not drive the telescopic supporting unit 600 to move but drives the first driven gear 503 to rotate, then the first driven gear 503 drives the lifting element 505 to lift the four-way vehicle until the second limiting element 504 is meshed with the second transmission gear 502, at this time, the limiting unit 700 limits the first driven gear 503 and does not limit the telescopic support plate 601, then the second transmission gear 502 rotates to shift the third limiting element 604 to move, the third limiting element 604 drives the rack element 603 to move, and then the rack element 603 drives the telescopic supporting plate 601 to move, so that the telescopic supporting plate 601 moves to the lower end of the four-way vehicle to support the four-way vehicle.

As shown in fig. 13 to 14, the position-limiting unit 700 includes a position-limiting rod 701, a supporting block 702, an elastic element 703 and an electromagnet 704; the limiting rod 701 is integrally C-shaped, the upper end of the limiting rod is arranged corresponding to the lifting unit 500, and the lower end of the limiting rod is arranged corresponding to the telescopic support unit 600 and is used for continuously limiting the lifting unit 500 or the telescopic support unit 600; the supporting block 702 is arranged on the inner side wall of the middle part of the first limiting groove 305 and is rotatably connected with the middle end of the limiting rod 701, and the supporting block 702 is used for providing a rotating fulcrum of the limiting rod 701 so that the limiting rod 701 can rotate around the connection part of the supporting block 702 and the self; the elastic element 703 is disposed in the first limiting groove 305, a first end of the elastic element 703 is fixedly connected with a side wall of the limiting rod 701, a second end of the elastic element 703 is fixedly connected with a side wall of the first limiting groove 305, and the elastic element 703 is used for resetting the limiting rod 701; the electromagnet 704 is disposed in the first position-limiting groove 305 and corresponds to the first end of the position-limiting rod 701, and the electromagnet 704 is configured to drive the upper end of the position-limiting rod 701 away from the position-limiting hole 506 to release the first driven gear 503.

Specifically, the upper side of the limiting rod 701 corresponds to the limiting hole 506 on the first driven gear 503, the lower end of the limiting rod 701 is located inside the fifth sliding groove 602 and is arranged corresponding to the corresponding second limiting groove 605, and the limiting rod 701 is used for limiting the first driven gear 503 or the telescopic support plate 601.

The connection between the support block 702 and the stop lever 701 includes, but is not limited to, hinging.

In some of these embodiments, the electromagnet 704 is electrically connected to a control unit, such that the control unit can remotely control the electromagnet 704 to turn on or off.

Specifically, under the condition that the first driven gear 503 needs to be limited, the electromagnet 704 is closed at this time, the limiting rod 701 is acted by the elastic element 703, and under the condition that the upper side of the opening end of the limiting rod 701 corresponds to the limiting hole 506, the upper side of the opening end of the limiting rod 701 enters the inside of the limiting hole 506 to limit the first driven gear 503; under the condition that need carry on spacingly to telescopic support plate 601, open electro-magnet 704 this moment, electro-magnet 704 attracts the upside of the open end of gag lever post 701 to keep away from spacing hole 506 to gag lever post 701 rotates around self and the pin joint of supporting shoe 702, so that the downside of the open end of gag lever post 701 enters into the inside of second spacing groove 605, carries on spacingly to telescopic support plate 601.

As shown in fig. 15, the four-way vehicle carrying anti-falling structure further includes two second driven units 800, the two second driven units 800 are disposed in the corresponding second mounting grooves 102, a first end of each second driven unit 800 is sleeved on the corresponding output shaft of the driving unit 200, a second end of each second driven unit 800 corresponds to the corresponding connecting element 304 at the lower end of the second mounting unit 300, and the two second driven units 800 are used for matching the connecting element 304 to drive the second mounting unit 300 to move, so that the second mounting unit 300 is aligned with the four-way vehicle.

Specifically, the second driven unit 800 can cooperate with the connecting element 304 to move the second mounting unit 300 onto the gear bearing 202, so as to separate the first driven unit 400 from the first transmission gear 203.

Wherein, a second driven unit 800 is used for driving a second mounting unit 300 to move.

In some of these embodiments, as shown in FIGS. 10-11, the second driven unit 800 includes a second driven gear 801, a third driven gear 802, and a threaded rod 803; the second driven gear 801 is sleeved at the output end of the corresponding driving unit 200, and the driving unit 200 can drive the second driven gear 801 to rotate; the third driven gear 802 is rotatably arranged in the second mounting groove 102 and is meshed with the second driven gear 801, and the second driven gear 801 can electrically drive the third driven gear 802 to rotate; a threaded rod 803 is disposed in the second mounting groove 102, and has a first end coaxially connected to the third driven gear 802 and a second end disposed corresponding to the connecting member 304.

In particular, the second end of the threaded rod 803 is arranged in correspondence with the threaded sleeve 308.

Wherein, the second driven gear 801 is sleeved on the output shaft of the dual output shaft motor 201.

Wherein, third driven gear 802 can rotate through rotating the post and bearing and set up in the inside of second mounting groove 102, rotates the first end and the third driven gear 802 coaxial coupling of post, rotates the second pot head of post and locates in the bearing, and the bearing inlays and locates the lateral wall of second mounting groove 102.

Specifically, the third driven gear 802 can drive the threaded rod 803 to rotate, because the threaded rod 803 is matched with and corresponds to the connecting element 304, when the threaded rod 803 enters the connecting element 304, the threaded rod 803 can drag the second mounting unit 300 to move along the threaded rod 803 through the connecting element 304, and the second mounting unit 300 is moved onto the gear bearing 202; in the case where the screw rod 803 is reversed, the second mounting unit 300 does not immediately engage with the first transmission gear 203 in the case where it is moved in the reverse direction, and only in the case where the second mounting unit 300 is completely disengaged from the gear bearing 202, the second mounting unit 300 is again engaged with the first transmission gear 203, at which time the second mounting unit 300 has already been brought into front-rear correspondence with the first chute 103.

More specifically, in the case where the second mounting unit 300 is dragged along the threaded rod 803 by the threaded rod 803, the second mounting unit 300 moves onto the gear bearing 202, at which time the second mounting unit 300 is misaligned with the first chute 103; in the case that the threaded rod 803 is reversed, the second mounting unit 300 moves reversely along the threaded rod 803 until the second mounting unit 300 moves to disengage from the gear bearing 202, at which time the second mounting unit 300 again corresponds to the first sliding slot 103 in the front-rear direction, and then the second mounting unit 300 enters the inside of the first sliding slot 103 by the driving of the first transmission gear 203.

In the case that the driving unit 200 drives the two second driven units 800 to work simultaneously, at this time, the second driven units 800 drive the two second mounting units 300 to move in the same direction, such as moving leftward or moving rightward simultaneously.

The connection element 304 comprises a connection slot 307, a threaded sleeve 308 and a number of resilient members 309. Wherein, the connecting groove 307 is opened at the lower end of the second mounting unit 300; the threaded sleeve 308 is disposed inside the connecting groove 307; a plurality of elastic members 309 set up in the inside upper and lower both sides of connecting groove 307, and the first end of elastic member 309 is connected with the lateral wall of connecting groove 307, and the second end of elastic member 309 is connected with the lateral wall of threaded sleeve 308 for avoid entering into threaded sleeve 308's the condition at threaded rod 803, second installation unit 300 drives connecting groove 307 and takes place to remove, and connecting groove 307 drives threaded sleeve 308 and takes place to remove.

Specifically, under the condition that the second driven unit 800 drives the second mounting unit 300 to move to the gear bearing 202, the second mounting unit 300 extrudes the elastic member 309, the elastic member 309 extrudes the threaded sleeve 308, and the threaded sleeve 308 is limited by the threaded rod 803, so that the threaded sleeve 308 cannot move due to the extrusion of the elastic member 309, and further, the situation that the position of the threaded sleeve 308 moves along with the second mounting unit 300 and the threaded rod 803 cannot drive the second mounting unit 300 to move through the threaded sleeve 308 can be avoided.

The elastic member 309 may be a shock absorber or a shock absorber.

In some of these embodiments, as shown in fig. 17, the resilient member 309 includes a connecting cylinder 310, a return spring 311, and a connecting post 312. A first end of the connecting cylinder 310 is connected with the connecting groove 307, and a second end of the connecting cylinder 310 is provided with a mounting hole; the reset spring 311 is arranged inside the mounting hole, and a first end of the reset spring 311 is connected with the inner side wall of the mounting hole; the first end of the connection column 312 is sleeved in the mounting hole and connected to the second end of the return spring 311, and the second end of the connection column 312 is connected to the outer sidewall of the threaded sleeve 308.

Wherein, the first ends of the connection groove 307 and the threaded sleeve 308 are both provided with openings, so that under the condition that the end of the second installation unit 300 moves into the second installation groove 102, the threaded rod 803 just can enter the threaded sleeve 308 through the openings, and the threaded rod 803 drives the second installation unit 300 to move through the 3-threaded sleeve 308.

The working principle of the four-way vehicle carrying anti-falling structure for the forklift is as follows:

under the condition that a four-direction vehicle needs to be transported, the dual-output-shaft motor 201 works to drive the two first transmission gears 203 to rotate, the two first transmission gears 203 drive the two corresponding first driven units 400 to move, then the two first driven units 400 drive the two second installation units 300 to move to the side edges of the four-direction vehicle, under the condition that the two second installation units 300 are not aligned with the two side edges of the four-direction vehicle, the dual-output-shaft motor 201 works to drive the two second driven units 800 to work at the moment, the two second driven units 800 drive the two corresponding second installation units 300 to move leftwards or rightwards at the same time, so that the two second installation units 300 are aligned with the two side edges of the four-direction vehicle, then the forklift drives the first installation units 100 to move forwards, so that the two lifting units 500 on the two second installation units 300 are respectively abutted against the two side walls of the four-direction vehicle, at the moment, the limiting unit 700 limits the telescopic supporting plate 601, the lifting motor 501 drives the second transmission gear 502 to rotate, the second transmission gear 502 pulls a third limiting element 604 on the telescopic supporting plate 601 and drives the first driven gear 503 to rotate, then the first driven gear 503 drives the lifting element 505 to lift the four-way vehicle, meanwhile, after the lifting element 505 lifts the four-way vehicle, the limiting unit 700 releases the telescopic supporting plate 601 and limits the first driven gear 503, and at the moment, the lifting motor 501 continuously rotates to drive the telescopic supporting plate 601 to move to the lower end of the four-way vehicle through the rack element 603 and support the four-way vehicle.

When a four-way vehicle needs to be carried to the upper end face of the first mounting unit 100, the dual-output-shaft motor 201 rotates reversely to enable the second mounting unit 300 to return to the corresponding first sliding groove 103 at the same time, at this time, the lifting element 505 lifts the four-way vehicle all the time, the limiting unit 700 also limits the first driven gear 503 all the time, at this time, the lifting motor 501 rotates reversely to drive the telescopic supporting plate 601 to move out from the lower part of the four-way vehicle, then the limiting unit 700 releases the first driven gear 503 and limits the telescopic supporting plate 601, at this time, the lifting motor 501 continues to rotate reversely to enable the lifting element 505 to be separated from the four-way vehicle, and therefore the four-way vehicle is placed on the first mounting unit 100.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a structure of preventing falling is carried to four-way car for fork truck which characterized in that includes:

the first mounting unit (100), a first mounting groove (101) is transversely formed in a penetrating manner at a first end of the first mounting unit (100), second mounting grooves (102) are respectively formed at two ends of the first mounting groove (101), and first sliding grooves (103) correspondingly communicated with the second mounting grooves (102) are respectively formed in two side ends of the first mounting unit (100);

the driving unit (200) is assembled in the first mounting groove (101), and output ends of the left end and the right end of the driving unit (200) are respectively positioned in the corresponding second mounting grooves (102);

the two second mounting units (300) are arranged in the corresponding first sliding grooves (103) in a sliding manner, each second mounting unit (300) comprises a second sliding groove (301) positioned at the bottom of one end of the second mounting unit, and a third mounting groove (302), a third sliding groove (303) and a first limiting groove (305) positioned in the middle of the second mounting unit, and the third mounting groove (302) is respectively communicated with the third sliding groove (303) and the first limiting groove (305);

the two first driven units (400) are arranged at the bottoms of the corresponding second mounting units (300) in a covering mode and extend to the lower surface of the second sliding groove (301), and the first driven units (400) are connected with the output end of the driving unit (200) in a meshing mode;

the first ends of the two lifting units (500) are arranged in the corresponding third mounting grooves (302), and the second ends of the two lifting units (500) are arranged outside the corresponding second mounting units (300) and used for lifting a four-way vehicle;

the two telescopic supporting units (600) are arranged in the corresponding third sliding grooves (303), are meshed with the corresponding lifting units (500) and are used for extending into the lower part of the four-direction vehicle to support the four-direction vehicle under the condition that the four-direction vehicle is lifted by the lifting units (500);

the two limiting units (700) are arranged in the corresponding first limiting grooves (305), the first ends of the two limiting units (700) are arranged corresponding to the lifting units (500), and the second ends of the two limiting units are arranged corresponding to the telescopic supporting units (600) and used for limiting the lifting units (500) or the telescopic supporting units (600).

2. The four-way vehicle handling fall arrest structure according to claim 1, characterized in that the drive unit (200) comprises:

the double-output-shaft motor (201) is arranged in the first mounting groove (101), and output shafts at the left end and the right end of the double-output-shaft motor (201) are positioned in the corresponding second mounting grooves (102);

the two gear bearings (202) rotate and are correspondingly sleeved on two output shafts of the double-output-shaft motor (201);

two first drive gear (203), two first drive gear (203) are located corresponding to the cover two output shafts of dual output shaft motor (201), and be located corresponding gear bearing (202) are kept away from one side of dual output shaft motor (201), and with corresponding first driven unit (400) meshing is connected, is used for under the drive of dual output shaft motor (201), drive first driven unit (400) are followed first spout (103) are removed.

3. The four-way vehicle handling fall arrest structure according to claim 1, characterized in that the first mounting unit (100) further comprises:

the two fourth sliding grooves (104), each fourth sliding groove (104) is respectively arranged at the lower end of the second mounting groove (102) and the lower end of the first mounting groove (103);

the second mounting unit (300) further comprises:

the sliding block (306) is arranged at the lower end of the second mounting unit (300), is positioned in the fourth sliding groove (104), is matched with the fourth sliding groove (104), and is used for limiting the second mounting unit (300).

4. The four-way vehicle handling fall arrest structure according to claim 1, characterized in that the first slave unit (400) comprises:

the first limiting element (401) is arranged on the second sliding groove (301), is located at the end of the first driven unit (400), and is used for limiting the first driven unit (400) under the condition that the driving unit (200) rotates.

5. The four-way vehicle handling fall arrest structure according to claim 1, characterized in that the lifting unit (500) comprises:

the lifting motor (501), the lifting motor (501) is assembled in the third mounting groove (302);

the second transmission gear (502) is sleeved on an output shaft of the lifting motor (501);

the first driven gear (503) is rotatably arranged in the corresponding third mounting groove (302) and is meshed with the second transmission gear (502), a limiting hole (506) is formed in the side wall of the first driven gear (503), and the limiting hole (506) corresponds to the first end of the corresponding limiting unit (700);

a second limiting element (504), wherein the second limiting element (504) is arranged on the peripheral wall of the first driven gear (503) and is used for limiting the first driven gear (503) under the condition of being meshed with the second transmission gear (502);

a lifting element (505), wherein a first end of the lifting element (505) is obliquely arranged on the side wall of the first driven gear (503), and a second end of the lifting element passes through the corresponding side wall of the second mounting unit (300) and is positioned outside the second mounting unit (300).

6. The four-way vehicle handling fall arrest structure according to claim 5, characterized in that the second stop element (504) comprises:

the support rod (507) is arranged in a third limiting groove (512) formed in the outer peripheral wall of the first driven gear (503);

the limiting teeth (508), the limiting teeth (508) are sleeved on the supporting rod (507);

the limiting spring (509) is sleeved on the supporting rod (507), the first end of the limiting spring (509) is fixedly connected with the supporting rod (507), and the second end of the limiting spring (509) is fixedly connected with the limiting tooth (508).

7. The structure of claim 1, wherein the telescopic support unit (600) comprises:

the telescopic supporting plate (601) is arranged in the corresponding third sliding groove (303), the upper end surface of the telescopic supporting plate (601) is provided with a fifth sliding groove (602), two ends of the fifth sliding groove (602) are respectively provided with a second limiting groove (605), and the second limiting groove (605) corresponds to the second end of the corresponding limiting unit (700);

the rack element (603) is transversely arranged on the upper end face of the telescopic support plate (601) and is meshed and connected with a second transmission gear (502) arranged above the rack element (603);

and the third limiting element (604) is correspondingly arranged on the upper end face of the telescopic supporting plate (601), is positioned at one end of the rack element (603), and is matched with the second transmission gear (502).

8. The structure of claim 1, wherein the restraining unit (700) comprises:

the limiting rod (701) is C-shaped, the upper end of the limiting rod (701) corresponds to the lifting unit (500), and the lower end of the limiting rod corresponds to the telescopic supporting unit (600);

the supporting block (702), the supporting block (702) is arranged on the inner side wall of the middle part of the first limiting groove (305), and is rotatably connected with the middle part of the limiting rod (701);

the elastic element (703) is arranged in the first limiting groove (305), the first end of the elastic element (703) is fixedly connected with the side wall of the limiting rod (701), and the second end of the elastic element (703) is fixedly connected with the side wall of the first limiting groove (305);

the electromagnet (704) is arranged on the inner side wall of the upper portion of the first limiting groove (305) and corresponds to the first end of the limiting rod (701).

9. The structure of claim 1, further comprising:

the two second driven units (800) are arranged in the corresponding second mounting grooves (102), the first ends of the two second driven units (800) are sleeved at the output ends of the corresponding driving units (200), and the second ends of the two second driven units correspond to the connecting elements (304) at the lower ends of the corresponding second mounting units (300).

10. The four-way vehicle handling fall arrest structure according to claim 9, characterized in that the second slave unit (800) comprises:

the second driven gear (801) is sleeved at the output end of the corresponding driving unit (200);

the third driven gear (802) is rotatably arranged in the corresponding second mounting groove (102) and is in meshed connection with the second driven gear (801);

a threaded rod (803), the threaded rod (803) is arranged in the corresponding second mounting groove (102), the first end of the threaded rod is coaxially connected with the third driven gear (802), and the second end of the threaded rod is arranged corresponding to the corresponding connecting element (304).